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| 1 | <?php |
| 2 | |
| 3 | namespace CirrusSearch; |
| 4 | |
| 5 | use ApiBase; |
| 6 | use ApiMain; |
| 7 | use ApiOpenSearch; |
| 8 | use CirrusSearch\Profile\SearchProfileServiceFactory; |
| 9 | use CirrusSearch\Search\FancyTitleResultsType; |
| 10 | use ConfigFactory; |
| 11 | use DeferredUpdates; |
| 12 | use Html; |
| 13 | use ISearchResultSet; |
| 14 | use LinksUpdate; |
| 15 | use MediaWiki\Linker\LinkTarget; |
| 16 | use MediaWiki\Logger\LoggerFactory; |
| 17 | use MediaWiki\MediaWikiServices; |
| 18 | use MediaWiki\Preferences\Hook\GetPreferencesHook; |
| 19 | use MediaWiki\Revision\RevisionRecord; |
| 20 | use MediaWiki\User\Hook\UserGetDefaultOptionsHook; |
| 21 | use MediaWiki\User\UserIdentity; |
| 22 | use OutputPage; |
| 23 | use RequestContext; |
| 24 | use SpecialSearch; |
| 25 | use Title; |
| 26 | use User; |
| 27 | use WebRequest; |
| 28 | use WikiPage; |
| 29 | use Xml; |
| 30 | |
| 31 | /** |
| 32 | * All CirrusSearch's external hooks. |
| 33 | * |
| 34 | * This program is free software; you can redistribute it and/or modify |
| 35 | * it under the terms of the GNU General Public License as published by |
| 36 | * the Free Software Foundation; either version 2 of the License, or |
| 37 | * (at your option) any later version. |
| 38 | * |
| 39 | * This program is distributed in the hope that it will be useful, |
| 40 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 41 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 42 | * GNU General Public License for more details. |
| 43 | * |
| 44 | * You should have received a copy of the GNU General Public License along |
| 45 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 46 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 47 | * http://www.gnu.org/copyleft/gpl.html |
| 48 | */ |
| 49 | class Hooks implements UserGetDefaultOptionsHook, GetPreferencesHook { |
| 50 | /** |
| 51 | * @var string[] Destination of titles being moved (the ->getPrefixedDBkey() form). |
| 52 | */ |
| 53 | private static $movingTitles = []; |
| 54 | |
| 55 | /** @var ConfigFactory */ |
| 56 | private $configFactory; |
| 57 | |
| 58 | /** |
| 59 | * @param ConfigFactory $configFactory |
| 60 | */ |
| 61 | public function __construct( ConfigFactory $configFactory ) { |
| 62 | $this->configFactory = $configFactory; |
| 63 | } |
| 64 | |
| 65 | /** |
| 66 | * Hooked to call initialize after the user is set up. |
| 67 | * |
| 68 | * @param Title $title |
| 69 | * @param \Article $unused |
| 70 | * @param OutputPage $outputPage |
| 71 | * @param User $user |
| 72 | * @param \WebRequest $request |
| 73 | * @param \MediaWiki $mediaWiki |
| 74 | */ |
| 75 | public static function onBeforeInitialize( $title, $unused, $outputPage, $user, $request, $mediaWiki ) { |
| 76 | self::initializeForRequest( $request ); |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Hooked to call initialize after the user is set up. |
| 81 | * @param ApiMain $apiMain The ApiMain instance being used |
| 82 | */ |
| 83 | public static function onApiBeforeMain( $apiMain ) { |
| 84 | self::initializeForRequest( $apiMain->getRequest() ); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Initializes the portions of Cirrus that require the $request to be fully initialized |
| 89 | * |
| 90 | * @param WebRequest $request |
| 91 | */ |
| 92 | public static function initializeForRequest( WebRequest $request ) { |
| 93 | global $wgCirrusSearchPhraseRescoreWindowSize, |
| 94 | $wgCirrusSearchFunctionRescoreWindowSize, |
| 95 | $wgCirrusSearchFragmentSize, |
| 96 | $wgCirrusSearchAllFields, |
| 97 | $wgCirrusSearchPhraseRescoreBoost, |
| 98 | $wgCirrusSearchPhraseSlop, |
| 99 | $wgCirrusSearchLogElasticRequests, |
| 100 | $wgCirrusSearchLogElasticRequestsSecret, |
| 101 | $wgCirrusSearchEnableAltLanguage, |
| 102 | $wgCirrusSearchUseCompletionSuggester; |
| 103 | |
| 104 | self::overrideMoreLikeThisOptionsFromMessage(); |
| 105 | |
| 106 | self::overrideNumeric( $wgCirrusSearchPhraseRescoreWindowSize, |
| 107 | $request, 'cirrusPhraseWindow', 10000 ); |
| 108 | self::overrideNumeric( $wgCirrusSearchPhraseRescoreBoost, |
| 109 | $request, 'cirrusPhraseBoost' ); |
| 110 | self::overrideNumeric( $wgCirrusSearchPhraseSlop[ 'boost' ], |
| 111 | $request, 'cirrusPhraseSlop', 10 ); |
| 112 | self::overrideNumeric( $wgCirrusSearchFunctionRescoreWindowSize, |
| 113 | $request, 'cirrusFunctionWindow', 10000 ); |
| 114 | self::overrideNumeric( $wgCirrusSearchFragmentSize, |
| 115 | $request, 'cirrusFragmentSize', 1000 ); |
| 116 | self::overrideYesNo( $wgCirrusSearchAllFields[ 'use' ], |
| 117 | $request, 'cirrusUseAllFields' ); |
| 118 | if ( $wgCirrusSearchUseCompletionSuggester === 'yes' || $wgCirrusSearchUseCompletionSuggester === true ) { |
| 119 | // Only allow disabling the completion suggester, enabling it from request params might cause failures |
| 120 | // as the index might not be present. |
| 121 | self::overrideYesNo( $wgCirrusSearchUseCompletionSuggester, |
| 122 | $request, 'cirrusUseCompletionSuggester' ); |
| 123 | } |
| 124 | self::overrideMoreLikeThisOptions( $request ); |
| 125 | self::overrideSecret( $wgCirrusSearchLogElasticRequests, |
| 126 | $wgCirrusSearchLogElasticRequestsSecret, $request, 'cirrusLogElasticRequests', false ); |
| 127 | self::overrideYesNo( $wgCirrusSearchEnableAltLanguage, |
| 128 | $request, 'cirrusAltLanguage' ); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Set $dest to the numeric value from $request->getVal( $name ) if it is <= $limit |
| 133 | * or => $limit if upperLimit is false. |
| 134 | * |
| 135 | * @param mixed &$dest |
| 136 | * @param WebRequest $request |
| 137 | * @param string $name |
| 138 | * @param int|null $limit |
| 139 | * @param bool $upperLimit |
| 140 | */ |
| 141 | private static function overrideNumeric( |
| 142 | &$dest, |
| 143 | WebRequest $request, |
| 144 | $name, |
| 145 | $limit = null, |
| 146 | $upperLimit = true |
| 147 | ) { |
| 148 | Util::overrideNumeric( $dest, $request, $name, $limit, $upperLimit ); |
| 149 | } |
| 150 | |
| 151 | /** |
| 152 | * @param mixed &$dest |
| 153 | * @param WebRequest $request |
| 154 | * @param string $name |
| 155 | */ |
| 156 | private static function overrideMinimumShouldMatch( &$dest, WebRequest $request, $name ) { |
| 157 | $val = $request->getVal( $name ); |
| 158 | if ( $val !== null && self::isMinimumShouldMatch( $val ) ) { |
| 159 | $dest = $val; |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Set $dest to $value when $request->getVal( $name ) contains $secret |
| 165 | * |
| 166 | * @param mixed &$dest |
| 167 | * @param string $secret |
| 168 | * @param WebRequest $request |
| 169 | * @param string $name |
| 170 | * @param mixed $value |
| 171 | */ |
| 172 | private static function overrideSecret( &$dest, $secret, WebRequest $request, $name, $value = true ) { |
| 173 | if ( $secret && $secret === $request->getVal( $name ) ) { |
| 174 | $dest = $value; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * Set $dest to the true/false from $request->getVal( $name ) if yes/no. |
| 180 | * |
| 181 | * @param mixed &$dest |
| 182 | * @param WebRequest $request |
| 183 | * @param string $name |
| 184 | */ |
| 185 | private static function overrideYesNo( &$dest, WebRequest $request, $name ) { |
| 186 | Util::overrideYesNo( $dest, $request, $name ); |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Extract more like this settings from the i18n message cirrussearch-morelikethis-settings |
| 191 | */ |
| 192 | private static function overrideMoreLikeThisOptionsFromMessage() { |
| 193 | global $wgCirrusSearchMoreLikeThisConfig, |
| 194 | $wgCirrusSearchMoreLikeThisAllowedFields, |
| 195 | $wgCirrusSearchMoreLikeThisMaxQueryTermsLimit, |
| 196 | $wgCirrusSearchMoreLikeThisFields; |
| 197 | |
| 198 | $cache = MediaWikiServices::getInstance()->getLocalServerObjectCache(); |
| 199 | $lines = $cache->getWithSetCallback( |
| 200 | $cache->makeKey( 'cirrussearch-morelikethis-settings' ), |
| 201 | 600, |
| 202 | static function () { |
| 203 | $source = wfMessage( 'cirrussearch-morelikethis-settings' )->inContentLanguage(); |
| 204 | if ( $source && $source->isDisabled() ) { |
| 205 | return []; |
| 206 | } |
| 207 | return Util::parseSettingsInMessage( $source->plain() ); |
| 208 | } |
| 209 | ); |
| 210 | |
| 211 | foreach ( $lines as $line ) { |
| 212 | if ( strpos( $line, ':' ) === false ) { |
| 213 | continue; |
| 214 | } |
| 215 | list( $k, $v ) = explode( ':', $line, 2 ); |
| 216 | switch ( $k ) { |
| 217 | case 'min_doc_freq': |
| 218 | case 'max_doc_freq': |
| 219 | case 'max_query_terms': |
| 220 | case 'min_term_freq': |
| 221 | case 'min_word_length': |
| 222 | case 'max_word_length': |
| 223 | if ( is_numeric( $v ) && $v >= 0 ) { |
| 224 | $wgCirrusSearchMoreLikeThisConfig[$k] = intval( $v ); |
| 225 | } elseif ( $v === 'null' ) { |
| 226 | unset( $wgCirrusSearchMoreLikeThisConfig[$k] ); |
| 227 | } |
| 228 | break; |
| 229 | case 'percent_terms_to_match': |
| 230 | // @deprecated Use minimum_should_match now |
| 231 | $k = 'minimum_should_match'; |
| 232 | if ( is_numeric( $v ) && $v > 0 && $v <= 1 ) { |
| 233 | $v = ( (int)( (float)$v * 100 ) ) . '%'; |
| 234 | } else { |
| 235 | break; |
| 236 | } |
| 237 | // intentional fall-through |
| 238 | case 'minimum_should_match': |
| 239 | if ( self::isMinimumShouldMatch( $v ) ) { |
| 240 | $wgCirrusSearchMoreLikeThisConfig[$k] = $v; |
| 241 | } elseif ( $v === 'null' ) { |
| 242 | unset( $wgCirrusSearchMoreLikeThisConfig[$k] ); |
| 243 | } |
| 244 | break; |
| 245 | case 'fields': |
| 246 | $wgCirrusSearchMoreLikeThisFields = array_intersect( |
| 247 | array_map( 'trim', explode( ',', $v ) ), |
| 248 | $wgCirrusSearchMoreLikeThisAllowedFields ); |
| 249 | break; |
| 250 | } |
| 251 | // @phan-suppress-next-line PhanTypePossiblyInvalidDimOffset |
| 252 | if ( $wgCirrusSearchMoreLikeThisConfig['max_query_terms'] > $wgCirrusSearchMoreLikeThisMaxQueryTermsLimit ) { |
| 253 | $wgCirrusSearchMoreLikeThisConfig['max_query_terms'] = $wgCirrusSearchMoreLikeThisMaxQueryTermsLimit; |
| 254 | } |
| 255 | } |
| 256 | } |
| 257 | |
| 258 | /** |
| 259 | * @param string $v The value to check |
| 260 | * @return bool True if $v is an integer percentage in the domain -100 <= $v <= 100, $v != 0 |
| 261 | * @todo minimum_should_match also supports combinations (3<90%) and multiple combinations |
| 262 | */ |
| 263 | private static function isMinimumShouldMatch( string $v ) { |
| 264 | // specific integer count > 0 |
| 265 | if ( ctype_digit( $v ) && $v != 0 ) { |
| 266 | return true; |
| 267 | } |
| 268 | // percentage 0 < x <= 100 |
| 269 | if ( substr( $v, -1 ) !== '%' ) { |
| 270 | return false; |
| 271 | } |
| 272 | $v = substr( $v, 0, -1 ); |
| 273 | if ( substr( $v, 0, 1 ) === '-' ) { |
| 274 | $v = substr( $v, 1 ); |
| 275 | } |
| 276 | return ctype_digit( $v ) && $v > 0 && $v <= 100; |
| 277 | } |
| 278 | |
| 279 | /** |
| 280 | * Override more like this settings from request URI parameters |
| 281 | * |
| 282 | * @param WebRequest $request |
| 283 | */ |
| 284 | private static function overrideMoreLikeThisOptions( WebRequest $request ) { |
| 285 | global $wgCirrusSearchMoreLikeThisConfig, |
| 286 | $wgCirrusSearchMoreLikeThisAllowedFields, |
| 287 | $wgCirrusSearchMoreLikeThisMaxQueryTermsLimit, |
| 288 | $wgCirrusSearchMoreLikeThisFields; |
| 289 | |
| 290 | self::overrideNumeric( $wgCirrusSearchMoreLikeThisConfig['min_doc_freq'], |
| 291 | $request, 'cirrusMltMinDocFreq' ); |
| 292 | self::overrideNumeric( $wgCirrusSearchMoreLikeThisConfig['max_doc_freq'], |
| 293 | $request, 'cirrusMltMaxDocFreq' ); |
| 294 | // @phan-suppress-next-line PhanTypePossiblyInvalidDimOffset |
| 295 | self::overrideNumeric( $wgCirrusSearchMoreLikeThisConfig['max_query_terms'], |
| 296 | $request, 'cirrusMltMaxQueryTerms', $wgCirrusSearchMoreLikeThisMaxQueryTermsLimit ); |
| 297 | self::overrideNumeric( $wgCirrusSearchMoreLikeThisConfig['min_term_freq'], |
| 298 | $request, 'cirrusMltMinTermFreq' ); |
| 299 | self::overrideMinimumShouldMatch( $wgCirrusSearchMoreLikeThisConfig['minimum_should_match'], |
| 300 | $request, 'cirrusMltMinimumShouldMatch' ); |
| 301 | self::overrideNumeric( $wgCirrusSearchMoreLikeThisConfig['min_word_length'], |
| 302 | $request, 'cirrusMltMinWordLength' ); |
| 303 | self::overrideNumeric( $wgCirrusSearchMoreLikeThisConfig['max_word_length'], |
| 304 | $request, 'cirrusMltMaxWordLength' ); |
| 305 | $fields = $request->getVal( 'cirrusMltFields' ); |
| 306 | if ( isset( $fields ) ) { |
| 307 | $wgCirrusSearchMoreLikeThisFields = array_intersect( |
| 308 | array_map( 'trim', explode( ',', $fields ) ), |
| 309 | $wgCirrusSearchMoreLikeThisAllowedFields ); |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Hook to call before an article is deleted |
| 315 | * @param WikiPage $page The page we're deleting |
| 316 | */ |
| 317 | public static function onArticleDelete( $page ) { |
| 318 | // We use this to pick up redirects so we can update their targets. |
| 319 | // Can't re-use ArticleDeleteComplete because the page info's |
| 320 | // already gone |
| 321 | // If we abort or fail deletion it's no big deal because this will |
| 322 | // end up being a no-op when it executes. |
| 323 | $target = $page->getRedirectTarget(); |
| 324 | if ( $target ) { |
| 325 | // DeferredUpdate so we don't end up racing our own page deletion |
| 326 | DeferredUpdates::addCallableUpdate( static function () use ( $target ) { |
| 327 | MediaWikiServices::getInstance()->getJobQueueGroup()->push( |
| 328 | new Job\LinksUpdate( $target, [ |
| 329 | 'addedLinks' => [], |
| 330 | 'removedLinks' => [], |
| 331 | ] ) |
| 332 | ); |
| 333 | } ); |
| 334 | } |
| 335 | } |
| 336 | |
| 337 | /** |
| 338 | * Hook to call after an article is deleted |
| 339 | * @param WikiPage $page The page we're deleting |
| 340 | * @param User $user The user deleting the page |
| 341 | * @param string $reason Reason the page is being deleted |
| 342 | * @param int $pageId Page id being deleted |
| 343 | */ |
| 344 | public static function onArticleDeleteComplete( $page, $user, $reason, $pageId ) { |
| 345 | // Note that we must use the article id provided or it'll be lost in the ether. The job can't |
| 346 | // load it from the title because the page row has already been deleted. |
| 347 | MediaWikiServices::getInstance()->getJobQueueGroup()->push( |
| 348 | new Job\DeletePages( $page->getTitle(), [ |
| 349 | 'docId' => self::getConfig()->makeId( $pageId ) |
| 350 | ] ) |
| 351 | ); |
| 352 | } |
| 353 | |
| 354 | /** |
| 355 | * Called when a revision is deleted. In theory, we shouldn't need to to this since |
| 356 | * you can't delete the current text of a page (so we should've already updated when |
| 357 | * the page was updated last). But we're paranoid, because deleted revisions absolutely |
| 358 | * should not be in the index. |
| 359 | * |
| 360 | * @param Title $title The page title we've had a revision deleted on |
| 361 | */ |
| 362 | public static function onRevisionDelete( $title ) { |
| 363 | MediaWikiServices::getInstance()->getJobQueueGroup()->push( |
| 364 | new Job\LinksUpdate( $title, [ |
| 365 | 'addedLinks' => [], |
| 366 | 'removedLinks' => [], |
| 367 | 'prioritize' => true |
| 368 | ] ) |
| 369 | ); |
| 370 | } |
| 371 | |
| 372 | /** |
| 373 | * Hook called to include Elasticsearch version info on Special:Version |
| 374 | * @param array &$software Array of wikitext and version numbers |
| 375 | */ |
| 376 | public static function onSoftwareInfo( &$software ) { |
| 377 | $version = new Version( self::getConnection() ); |
| 378 | $status = $version->get(); |
| 379 | if ( $status->isOK() ) { |
| 380 | // We've already logged if this isn't ok and there is no need to warn the user on this page. |
| 381 | $software[ '[https://www.elastic.co/elasticsearch Elasticsearch]' ] = $status->getValue(); |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * @param SpecialSearch $specialSearch |
| 387 | * @param OutputPage $out |
| 388 | * @param string $term |
| 389 | */ |
| 390 | public static function onSpecialSearchResultsAppend( $specialSearch, $out, $term ) { |
| 391 | global $wgCirrusSearchFeedbackLink; |
| 392 | |
| 393 | if ( $wgCirrusSearchFeedbackLink ) { |
| 394 | self::addSearchFeedbackLink( $wgCirrusSearchFeedbackLink, $specialSearch, $out ); |
| 395 | } |
| 396 | |
| 397 | // Embed metrics if this was a Cirrus page |
| 398 | $engine = $specialSearch->getSearchEngine(); |
| 399 | if ( $engine instanceof CirrusSearch ) { |
| 400 | $out->addJsConfigVars( $engine->getLastSearchMetrics() ); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | /** |
| 405 | * @param string $link |
| 406 | * @param SpecialSearch $specialSearch |
| 407 | * @param OutputPage $out |
| 408 | */ |
| 409 | private static function addSearchFeedbackLink( $link, SpecialSearch $specialSearch, OutputPage $out ) { |
| 410 | $anchor = Xml::element( |
| 411 | 'a', |
| 412 | [ 'href' => $link ], |
| 413 | $specialSearch->msg( 'cirrussearch-give-feedback' )->text() |
| 414 | ); |
| 415 | $block = Html::rawElement( 'div', [], $anchor ); |
| 416 | $out->addHTML( $block ); |
| 417 | } |
| 418 | |
| 419 | /** |
| 420 | * Hooked to update the search index when pages change directly or when templates that |
| 421 | * they include change. |
| 422 | * @param LinksUpdate $linksUpdate source of all links update information |
| 423 | */ |
| 424 | public static function onLinksUpdateCompleted( $linksUpdate ) { |
| 425 | global $wgCirrusSearchLinkedArticlesToUpdate, |
| 426 | $wgCirrusSearchUnlinkedArticlesToUpdate, |
| 427 | $wgCirrusSearchUpdateDelay; |
| 428 | |
| 429 | // Titles that are created by a move don't need their own job. |
| 430 | if ( in_array( $linksUpdate->getTitle()->getPrefixedDBkey(), self::$movingTitles ) ) { |
| 431 | return; |
| 432 | } |
| 433 | |
| 434 | $params = [ |
| 435 | 'addedLinks' => self::prepareTitlesForLinksUpdate( |
| 436 | $linksUpdate->getAddedLinks(), $wgCirrusSearchLinkedArticlesToUpdate ), |
| 437 | // We exclude links that contains invalid UTF-8 sequences, reason is that page created |
| 438 | // before T13143 was fixed might sill have bad links the pagelinks table |
| 439 | // and thus will cause LinksUpdate to believe that these links are removed. |
| 440 | 'removedLinks' => self::prepareTitlesForLinksUpdate( |
| 441 | $linksUpdate->getRemovedLinks(), $wgCirrusSearchUnlinkedArticlesToUpdate, true ), |
| 442 | ]; |
| 443 | // non recursive LinksUpdate can go to the non prioritized queue |
| 444 | if ( $linksUpdate->isRecursive() ) { |
| 445 | $params[ 'prioritize' ] = true; |
| 446 | $delay = $wgCirrusSearchUpdateDelay['prioritized']; |
| 447 | } else { |
| 448 | $delay = $wgCirrusSearchUpdateDelay['default']; |
| 449 | } |
| 450 | $params += Job\LinksUpdate::buildJobDelayOptions( Job\LinksUpdate::class, $delay ); |
| 451 | $job = new Job\LinksUpdate( $linksUpdate->getTitle(), $params ); |
| 452 | |
| 453 | MediaWikiServices::getInstance()->getJobQueueGroup()->lazyPush( $job ); |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * Hook into UploadComplete, overwritten files do not seem to trigger LinksUpdateComplete. |
| 458 | * Since files do contain indexed metadata we need to refresh the search index when a file |
| 459 | * is overwritten on an existing title. |
| 460 | * @param \UploadBase $uploadBase |
| 461 | */ |
| 462 | public static function onUploadComplete( \UploadBase $uploadBase ) { |
| 463 | if ( $uploadBase->getTitle()->exists() ) { |
| 464 | MediaWikiServices::getInstance()->getJobQueueGroup()->push( |
| 465 | new Job\LinksUpdate( $uploadBase->getTitle(), [ |
| 466 | 'addedLinks' => [], |
| 467 | 'removedLinks' => [], |
| 468 | 'prioritize' => true |
| 469 | ] ) |
| 470 | ); |
| 471 | } |
| 472 | } |
| 473 | |
| 474 | /** |
| 475 | * Extract namespaces from query string. |
| 476 | * @param array &$namespaces |
| 477 | * @param string &$search |
| 478 | * @return bool |
| 479 | */ |
| 480 | public static function onPrefixSearchExtractNamespace( &$namespaces, &$search ) { |
| 481 | global $wgSearchType; |
| 482 | if ( $wgSearchType !== 'CirrusSearch' ) { |
| 483 | return true; |
| 484 | } |
| 485 | return self::prefixSearchExtractNamespaceWithConnection( self::getConnection(), $namespaces, $search ); |
| 486 | } |
| 487 | |
| 488 | /** |
| 489 | * @param Connection $connection |
| 490 | * @param array &$namespaces |
| 491 | * @param string &$search |
| 492 | * @return false |
| 493 | */ |
| 494 | public static function prefixSearchExtractNamespaceWithConnection( |
| 495 | Connection $connection, |
| 496 | &$namespaces, |
| 497 | &$search |
| 498 | ) { |
| 499 | $method = $connection->getConfig()->get( 'CirrusSearchNamespaceResolutionMethod' ); |
| 500 | if ( $method === 'elastic' ) { |
| 501 | $searcher = |
| 502 | new Searcher( $connection, 0, 1, $connection->getConfig(), $namespaces ); |
| 503 | $searcher->updateNamespacesFromQuery( $search ); |
| 504 | $namespaces = $searcher->getSearchContext()->getNamespaces(); |
| 505 | } else { |
| 506 | $colon = strpos( $search, ':' ); |
| 507 | if ( $colon === false ) { |
| 508 | return false; |
| 509 | } |
| 510 | $namespaceName = substr( $search, 0, $colon ); |
| 511 | $ns = Util::identifyNamespace( $namespaceName, $method ); |
| 512 | if ( $ns !== false ) { |
| 513 | $namespaces = [ $ns ]; |
| 514 | $search = substr( $search, $colon + 1 ); |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | return false; |
| 519 | } |
| 520 | |
| 521 | /** |
| 522 | * Let Elasticsearch take a crack at getting near matches once mediawiki has tried all kinds of variants. |
| 523 | * @param string $term the original search term and all language variants |
| 524 | * @param null|Title &$titleResult resulting match. A Title if we found something, unchanged otherwise. |
| 525 | * @return bool return false if we find something, true otherwise so mediawiki can try its default behavior |
| 526 | */ |
| 527 | public static function onSearchGetNearMatch( $term, &$titleResult ) { |
| 528 | global $wgSearchType; |
| 529 | if ( $wgSearchType !== 'CirrusSearch' ) { |
| 530 | return true; |
| 531 | } |
| 532 | |
| 533 | $title = Title::newFromText( $term ); |
| 534 | if ( $title === null ) { |
| 535 | return false; |
| 536 | } |
| 537 | |
| 538 | $user = RequestContext::getMain()->getUser(); |
| 539 | // Ask for the first 50 results we see. If there are more than that too bad. |
| 540 | $searcher = new Searcher( |
| 541 | self::getConnection(), 0, 50, self::getConfig(), [ $title->getNamespace() ], $user ); |
| 542 | if ( $title->getNamespace() === NS_MAIN ) { |
| 543 | $searcher->updateNamespacesFromQuery( $term ); |
| 544 | } else { |
| 545 | $term = $title->getText(); |
| 546 | } |
| 547 | $searcher->setResultsType( new FancyTitleResultsType( 'near_match' ) ); |
| 548 | $status = $searcher->nearMatchTitleSearch( $term ); |
| 549 | // There is no way to send errors or warnings back to the caller here so we have to make do with |
| 550 | // only sending results back if there are results and relying on the logging done at the status |
| 551 | // construction site to log errors. |
| 552 | if ( !$status->isOK() ) { |
| 553 | return true; |
| 554 | } |
| 555 | |
| 556 | $contLang = MediaWikiServices::getInstance()->getContentLanguage(); |
| 557 | $picker = new NearMatchPicker( $contLang, $term, $status->getValue() ); |
| 558 | $best = $picker->pickBest(); |
| 559 | if ( $best ) { |
| 560 | $titleResult = $best; |
| 561 | return false; |
| 562 | } |
| 563 | // Didn't find a result so let Mediawiki have a crack at it. |
| 564 | return true; |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * Before we've moved a title from $title to $newTitle. |
| 569 | * @param Title $title old title |
| 570 | * @param Title $newTitle |
| 571 | * @param User $user User who made the move |
| 572 | */ |
| 573 | public static function onTitleMove( Title $title, Title $newTitle, $user ) { |
| 574 | self::$movingTitles[] = $title->getPrefixedDBkey(); |
| 575 | } |
| 576 | |
| 577 | /** |
| 578 | * When we've moved a Title from A to B. |
| 579 | * @param LinkTarget $title The old title |
| 580 | * @param LinkTarget $newTitle |
| 581 | * @param UserIdentity $user User who made the move |
| 582 | * @param int $oldId The page id of the old page. |
| 583 | * @param int $redirId |
| 584 | * @param string $reason |
| 585 | * @param RevisionRecord $revisionRecord |
| 586 | */ |
| 587 | public static function onPageMoveComplete( |
| 588 | LinkTarget $title, |
| 589 | LinkTarget $newTitle, |
| 590 | UserIdentity $user, |
| 591 | int $oldId, |
| 592 | int $redirId, |
| 593 | string $reason, |
| 594 | RevisionRecord $revisionRecord |
| 595 | ) { |
| 596 | // When a page is moved the update and delete hooks are good enough to catch |
| 597 | // almost everything. The only thing they miss is if a page moves from one |
| 598 | // index to another. That only happens if it switches namespace. |
| 599 | if ( $title->getNamespace() === $newTitle->getNamespace() ) { |
| 600 | return; |
| 601 | } |
| 602 | |
| 603 | $conn = self::getConnection(); |
| 604 | $oldIndexSuffix = $conn->getIndexSuffixForNamespace( $title->getNamespace() ); |
| 605 | $newIndexSuffix = $conn->getIndexSuffixForNamespace( $newTitle->getNamespace() ); |
| 606 | if ( $oldIndexSuffix !== $newIndexSuffix ) { |
| 607 | $title = Title::newFromLinkTarget( $title ); |
| 608 | $job = new Job\DeletePages( $title, [ |
| 609 | 'indexSuffix' => $oldIndexSuffix, |
| 610 | 'docId' => self::getConfig()->makeId( $oldId ) |
| 611 | ] ); |
| 612 | // Push the job after DB commit but cancel on rollback |
| 613 | wfGetDB( DB_PRIMARY )->onTransactionCommitOrIdle( static function () use ( $job ) { |
| 614 | MediaWikiServices::getInstance()->getJobQueueGroup()->lazyPush( $job ); |
| 615 | }, __METHOD__ ); |
| 616 | } |
| 617 | } |
| 618 | |
| 619 | /** |
| 620 | * Take a list of titles either linked or unlinked and prepare them for Job\LinksUpdate. |
| 621 | * This includes limiting them to $max titles. |
| 622 | * @param Title[] $titles titles to prepare |
| 623 | * @param int $max maximum number of titles to return |
| 624 | * @param bool $excludeBadUTF exclude links that contains invalid UTF sequences |
| 625 | * @return array |
| 626 | */ |
| 627 | public static function prepareTitlesForLinksUpdate( $titles, $max, $excludeBadUTF = false ) { |
| 628 | $titles = self::pickFromArray( $titles, $max ); |
| 629 | $dBKeys = []; |
| 630 | foreach ( $titles as $title ) { |
| 631 | $key = $title->getPrefixedDBkey(); |
| 632 | if ( $excludeBadUTF ) { |
| 633 | $fixedKey = mb_convert_encoding( $key, 'UTF-8', 'UTF-8' ); |
| 634 | if ( $fixedKey !== $key ) { |
| 635 | LoggerFactory::getInstance( 'CirrusSearch' ) |
| 636 | ->warning( "Ignoring title {title} with invalid UTF-8 sequences.", |
| 637 | [ 'title' => $fixedKey ] ); |
| 638 | continue; |
| 639 | } |
| 640 | } |
| 641 | $dBKeys[] = $title->getPrefixedDBkey(); |
| 642 | } |
| 643 | return $dBKeys; |
| 644 | } |
| 645 | |
| 646 | /** |
| 647 | * Pick $num random entries from $array. |
| 648 | * @param array $array Array to pick from |
| 649 | * @param int $num Number of entries to pick |
| 650 | * @return array of entries from $array |
| 651 | */ |
| 652 | private static function pickFromArray( $array, $num ) { |
| 653 | if ( $num > count( $array ) ) { |
| 654 | return $array; |
| 655 | } |
| 656 | if ( $num < 1 ) { |
| 657 | return []; |
| 658 | } |
| 659 | $chosen = array_rand( $array, $num ); |
| 660 | // If $num === 1 then array_rand will return a key rather than an array of keys. |
| 661 | if ( !is_array( $chosen ) ) { |
| 662 | return [ $array[ $chosen ] ]; |
| 663 | } |
| 664 | $result = []; |
| 665 | foreach ( $chosen as $key ) { |
| 666 | $result[] = $array[ $key ]; |
| 667 | } |
| 668 | return $result; |
| 669 | } |
| 670 | |
| 671 | /** |
| 672 | * ResourceLoaderGetConfigVars hook handler |
| 673 | * This should be used for variables which vary with the html |
| 674 | * and for variables this should work cross skin |
| 675 | * @see https://www.mediawiki.org/wiki/Manual:Hooks/ResourceLoaderGetConfigVars |
| 676 | * |
| 677 | * @param array &$vars |
| 678 | */ |
| 679 | public static function onResourceLoaderGetConfigVars( &$vars ) { |
| 680 | global $wgCirrusSearchFeedbackLink; |
| 681 | |
| 682 | $vars += [ |
| 683 | 'wgCirrusSearchFeedbackLink' => $wgCirrusSearchFeedbackLink, |
| 684 | ]; |
| 685 | } |
| 686 | |
| 687 | /** |
| 688 | * @return SearchConfig |
| 689 | */ |
| 690 | private static function getConfig() { |
| 691 | // @phan-suppress-next-line PhanTypeMismatchReturnSuperType |
| 692 | return MediaWikiServices::getInstance() |
| 693 | ->getConfigFactory() |
| 694 | ->makeConfig( 'CirrusSearch' ); |
| 695 | } |
| 696 | |
| 697 | /** |
| 698 | * @return Connection |
| 699 | */ |
| 700 | private static function getConnection() { |
| 701 | return new Connection( self::getConfig() ); |
| 702 | } |
| 703 | |
| 704 | /** |
| 705 | * Add $wgCirrusSearchInterwikiProv to external results. |
| 706 | * @param Title $title |
| 707 | * @param mixed &$text |
| 708 | * @param mixed $result |
| 709 | * @param mixed $terms |
| 710 | * @param mixed $page |
| 711 | * @param array &$query |
| 712 | */ |
| 713 | public static function onShowSearchHitTitle( Title $title, &$text, $result, $terms, $page, &$query = [] ) { |
| 714 | global $wgCirrusSearchInterwikiProv; |
| 715 | if ( $wgCirrusSearchInterwikiProv && $title->isExternal() ) { |
| 716 | $query["wprov"] = $wgCirrusSearchInterwikiProv; |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | /** |
| 721 | * @param ApiBase $module |
| 722 | */ |
| 723 | public static function onAPIAfterExecute( $module ) { |
| 724 | if ( !ElasticsearchIntermediary::hasQueryLogs() ) { |
| 725 | return; |
| 726 | } |
| 727 | $response = $module->getContext()->getRequest()->response(); |
| 728 | $response->header( 'X-Search-ID: ' . Util::getRequestSetToken() ); |
| 729 | if ( $module instanceof ApiOpenSearch ) { |
| 730 | $types = ElasticsearchIntermediary::getQueryTypesUsed(); |
| 731 | if ( $types ) { |
| 732 | $response->header( 'X-OpenSearch-Type: ' . implode( ',', $types ) ); |
| 733 | } |
| 734 | } |
| 735 | } |
| 736 | |
| 737 | /** |
| 738 | * @param string $term |
| 739 | * @param ISearchResultSet|null $titleMatches |
| 740 | * @param ISearchResultSet|null $textMatches |
| 741 | */ |
| 742 | public static function onSpecialSearchResults( $term, $titleMatches, $textMatches ) { |
| 743 | global $wgOut, |
| 744 | $wgCirrusExploreSimilarResults; |
| 745 | |
| 746 | $wgOut->addModules( 'ext.cirrus.serp' ); |
| 747 | |
| 748 | if ( $wgCirrusExploreSimilarResults ) { |
| 749 | $wgOut->addModules( 'ext.cirrus.explore-similar' ); |
| 750 | } |
| 751 | |
| 752 | $jsVars = [ |
| 753 | 'wgCirrusSearchRequestSetToken' => Util::getRequestSetToken(), |
| 754 | ]; |
| 755 | // In theory UserTesting should always have been activated by now, but if |
| 756 | // somehow it wasn't we don't want to activate it now at the end of the request |
| 757 | // and report incorrect data. |
| 758 | if ( UserTestingStatus::hasInstance() ) { |
| 759 | $ut = UserTestingStatus::getInstance(); |
| 760 | if ( $ut->isActive() ) { |
| 761 | $trigger = $ut->getTrigger(); |
| 762 | $jsVars['wgCirrusSearchActiveUserTest'] = $trigger; |
| 763 | // bc for first deployment, some users will still have old js. |
| 764 | // Should be removed in following deployment. |
| 765 | $jsVars['wgCirrusSearchBackendUserTests'] = $trigger ? [ $trigger ] : []; |
| 766 | } |
| 767 | } |
| 768 | $wgOut->addJsConfigVars( $jsVars ); |
| 769 | |
| 770 | // This ignores interwiki results for now...not sure what do do with those |
| 771 | ElasticsearchIntermediary::setResultPages( [ |
| 772 | $titleMatches, |
| 773 | $textMatches |
| 774 | ] ); |
| 775 | } |
| 776 | |
| 777 | /** |
| 778 | * @param array &$extraStats |
| 779 | * @return void |
| 780 | */ |
| 781 | private static function addWordCount( array &$extraStats ): void { |
| 782 | $search = new CirrusSearch(); |
| 783 | |
| 784 | $status = $search->countContentWords(); |
| 785 | if ( !$status->isOK() ) { |
| 786 | return; |
| 787 | } |
| 788 | $wordCount = $status->getValue(); |
| 789 | if ( $wordCount !== null ) { |
| 790 | $extraStats['cirrussearch-article-words'] = $wordCount; |
| 791 | } |
| 792 | } |
| 793 | |
| 794 | /** @inheritDoc */ |
| 795 | public function onGetPreferences( $user, &$prefs ) { |
| 796 | $search = new CirrusSearch(); |
| 797 | $profiles = $search->getProfiles( \SearchEngine::COMPLETION_PROFILE_TYPE, $user ); |
| 798 | if ( empty( $profiles ) ) { |
| 799 | return; |
| 800 | } |
| 801 | $options = self::autoCompleteOptionsForPreferences( $profiles ); |
| 802 | if ( !$options ) { |
| 803 | return; |
| 804 | } |
| 805 | $prefs['cirrussearch-pref-completion-profile'] = [ |
| 806 | 'type' => 'radio', |
| 807 | 'section' => 'searchoptions/completion', |
| 808 | 'options' => $options, |
| 809 | 'label-message' => 'cirrussearch-pref-completion-profile-help', |
| 810 | ]; |
| 811 | } |
| 812 | |
| 813 | /** |
| 814 | * @param array[] $profiles |
| 815 | * @return string[] |
| 816 | */ |
| 817 | private static function autoCompleteOptionsForPreferences( array $profiles ): array { |
| 818 | $available = array_column( $profiles, 'name' ); |
| 819 | // Order in which we propose comp suggest profiles |
| 820 | $preferredOrder = [ |
| 821 | 'fuzzy', |
| 822 | 'fuzzy-subphrases', |
| 823 | 'strict', |
| 824 | 'normal', |
| 825 | 'normal-subphrases', |
| 826 | 'classic' |
| 827 | ]; |
| 828 | $messages = []; |
| 829 | foreach ( $preferredOrder as $name ) { |
| 830 | if ( in_array( $name, $available ) ) { |
| 831 | $display = wfMessage( "cirrussearch-completion-profile-$name-pref-name" )->escaped() . |
| 832 | new \OOUI\LabelWidget( [ |
| 833 | 'classes' => [ 'oo-ui-inline-help' ], |
| 834 | 'label' => wfMessage( "cirrussearch-completion-profile-$name-pref-desc" )->text() |
| 835 | ] ); |
| 836 | $messages[$display] = $name; |
| 837 | } |
| 838 | } |
| 839 | // At least 2 choices are required to provide the user a choice |
| 840 | return count( $messages ) >= 2 ? $messages : []; |
| 841 | } |
| 842 | |
| 843 | /** @inheritDoc */ |
| 844 | public function onUserGetDefaultOptions( &$defaultOptions ) { |
| 845 | $defaultOptions['cirrussearch-pref-completion-profile'] = |
| 846 | $this->configFactory->makeConfig( 'CirrusSearch' )->get( 'CirrusSearchCompletionSettings' ); |
| 847 | } |
| 848 | |
| 849 | /** |
| 850 | * Register CirrusSearch services |
| 851 | * @param MediaWikiServices $container |
| 852 | */ |
| 853 | public static function onMediaWikiServices( MediaWikiServices $container ) { |
| 854 | $container->defineService( |
| 855 | InterwikiResolverFactory::SERVICE, |
| 856 | [ InterwikiResolverFactory::class, 'newFactory' ] |
| 857 | ); |
| 858 | $container->defineService( |
| 859 | InterwikiResolver::SERVICE, |
| 860 | static function ( MediaWikiServices $serviceContainer ) { |
| 861 | $config = $serviceContainer->getConfigFactory() |
| 862 | ->makeConfig( 'CirrusSearch' ); |
| 863 | return $serviceContainer |
| 864 | ->getService( InterwikiResolverFactory::SERVICE ) |
| 865 | ->getResolver( $config ); |
| 866 | } |
| 867 | ); |
| 868 | $container->defineService( SearchProfileServiceFactory::SERVICE_NAME, |
| 869 | static function ( MediaWikiServices $serviceContainer ) { |
| 870 | $config = $serviceContainer->getConfigFactory() |
| 871 | ->makeConfig( 'CirrusSearch' ); |
| 872 | return new SearchProfileServiceFactory( |
| 873 | $serviceContainer->getService( InterwikiResolver::SERVICE ), |
| 874 | /** @phan-suppress-next-line PhanTypeMismatchArgumentSuperType $config is actually a SearchConfig */ |
| 875 | $config, |
| 876 | $serviceContainer->getLocalServerObjectCache(), |
| 877 | new CirrusSearchHookRunner( $serviceContainer->getHookContainer() ), |
| 878 | $serviceContainer->getUserOptionsLookup() |
| 879 | ); |
| 880 | } |
| 881 | ); |
| 882 | } |
| 883 | |
| 884 | /** |
| 885 | * When article is undeleted - check the archive for other instances of the title, |
| 886 | * if not there - drop it from the archive. |
| 887 | * @param Title $title |
| 888 | * @param bool $create |
| 889 | * @param string $comment |
| 890 | * @param string $oldPageId |
| 891 | * @param array $restoredPages |
| 892 | */ |
| 893 | public static function onArticleUndelete( Title $title, $create, $comment, $oldPageId, $restoredPages ) { |
| 894 | global $wgCirrusSearchIndexDeletes; |
| 895 | if ( !$wgCirrusSearchIndexDeletes ) { |
| 896 | // Not indexing, thus nothing to remove here. |
| 897 | return; |
| 898 | } |
| 899 | MediaWikiServices::getInstance()->getJobQueueGroup()->push( |
| 900 | new Job\DeleteArchive( $title, [ 'docIds' => $restoredPages ] ) |
| 901 | ); |
| 902 | } |
| 903 | |
| 904 | public static function onSpecialStatsAddExtra( &$extraStats, $context ) { |
| 905 | self::addWordCount( $extraStats ); |
| 906 | } |
| 907 | |
| 908 | public static function onAPIQuerySiteInfoStatisticsInfo( &$extraStats ) { |
| 909 | self::addWordCount( $extraStats ); |
| 910 | } |
| 911 | } |